Grundmann, Helge E. Some implications of the concept of effective protection / by Hel ge E. Grundmann. - Dar es Salaam : University College, 1973? - 13 p. ; 28 cm. - University College, Dar es Salaam. Research Research Bureau ; E.R .B. Paper 68.19 . Includes bibliographical footnotes. Subjects--Topical Terms: Protectionism. Economic development -- Tanzania. Dewey Class. No.: AF P F 338.9678 GRU